Feature●Time-Sert M4x0.7x6mm Stainless Steel insert p/n 14072●Requires Time-Sert kit 1407 p/n to install.●Time-Sert Made in USADescription Time-Sert M4x0.7x6mm Stainless Steel insert p/n 14072 Requires Time-Sert kit 1407 p/n to install. Time-Sert Made in USA